diff --git a/Documentation/devicetree/bindings/riscv/cpus.yaml b/Documentation/devicetree/bindings/riscv/cpus.yaml
index e89a10d9c06bf..144da86718c1f 100644
--- a/Documentation/devicetree/bindings/riscv/cpus.yaml
+++ b/Documentation/devicetree/bindings/riscv/cpus.yaml
@@ -143,7 +143,7 @@ required:
   - riscv,isa
   - interrupt-controller
 
-additionalProperties: true
+unevaluatedProperties: false
 
 examples:
   - |